1271063 has 4 divisors (see below), whose sum is σ = 1273608. Its totient is φ = 1268520.

The previous prime is 1271059. The next prime is 1271069. The reversal of 1271063 is 3601721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3601721 = 53 ⋅67957.

It is a cyclic number.

It is not a de Polignac number, because 1271063 - 2² = 1271059 is a prime.

It is a super-2 number, since 2×1271063² = 3231202299938, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (318402).

2^1271063 is an apocalyptic number.

1271063 is a deficient number, since it is larger than the sum of its proper divisors (2545).

1271063 is an equidigital number, since it uses as much as digits as its factorization.

1271063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1271063 is about 1127.4142982950. The cubic root of 1271063 is about 108.3234189480.

Adding to 1271063 its reverse (3601721), we get a palindrome (4872784).

The spelling of 1271063 in words is "one million, two hundred seventy-one thousand, sixty-three".